.panel { margin-bottom: 20px; background-color: #fff; border-radius: 4px; }
.panel-body { padding: 15px; }
.panel-body:before, .panel-body:after { content: " "; display: table; }
.panel-body:after { clear: both; }
.panel-heading { padding: 10px 15px; border-bottom: 1px solid transparent;}
.panel-footer { padding: 10px 15px; background-color: #f5f5f5; border-top: 1px solid #ddd; }
